KN9U
Active2x1District 9
Competitive callsign — 9 applications filed with the FCC.
License HolderRosenquist, Matthew A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationButler, PA
Grant DateMay 4, 2021
Expiration DateMay 4, 2031
KN9U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Rosenquist, Matthew A in Butler, PA. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by Johnson, Steven E on Apr 14, 2021. KN9U has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -. ----. ..-
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo November Nine Uniform
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedJan 6, 2026
- License IssuedMay 4, 2021
- Vanity Callsign GrantedMay 4, 2021
- License CanceledMar 30, 2019
- Vanity Callsign GrantedDec 15, 2018
- License IssuedDec 15, 2018
- License ExpiredNov 27, 2018
- Tax ID (TIN) AddedAug 30, 2006
- License RenewedAug 30, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.